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Finding the Fourth Proportional to 609,930.75, 841,706.40 and 338,003.12

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Solution

The fourth proportional to 609,930.75, 841,706.40 and 338,003.12 is: 466,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,930.75 : 841,706.40 = 338,003.12 : x
  2. Step 2: Convert to fraction form
    609,930.75/841,706.40 = 338,003.12/x
  3. Step 3: Cross multiply
    609,930.75x = 841,706.40 × 338,003.12
  4. Step 4: Simplify right side
    609,930.75x = 284,499,385,115.44
  5. Step 5: Solve for x
    x = 284,499,385,115.44/609,930.75
  6. Step 6: Final answer
    x = 466,445.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.